Solve the Problem. -When Making a Long Distance Call from a Certain Pay

question 162

Multiple Choice

Solve the problem.
-When making a long distance call from a certain pay phone, the first three minutes of a call cost $2.95. After that, each additional minute or portion of a minute of that call costs $0.25. Use an inequality to find the number of minutes one can call long distance for $4.95.

• A)2 minutes or fewer
• B)11 minutes or fewer
• C)20 minutes or fewer
• D)8 minutes or fewer

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Definitions:

Horizontal Gene Transfer

The movement of genetic material between unicellular and/or multicellular organisms other than by the "vertical" transmission of DNA from parent to offspring.

Transformation

Taking up of extraneous genetic material from the environment by bacteria.

Transduction

Exchange of DNA between bacteria by means of a bacteriophage.

Conjugation

A form of genetic exchange between bacteria where genetic material is transferred from one bacterium to another through direct contact.